20209906

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{12647}}^1$

素因数の和:12713

約数の個数: 16

約数和(自身を含む): 32783616

約数和(自身を除く): 12573710

約数列:

[1, 2, 17, 34, 47, 94, 799, 1598, 12647, 25294, 214999, 429998, 594409, 1188818, 10104953, 20209906]

約数ペア:

[(1, 20209906), (2, 10104953), (17, 1188818), (34, 594409), (47, 429998), (94, 214999), (799, 25294), (1598, 12647)]